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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-06-28 15:11:32 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2021-06-29 16:51:21 +0200 |
| commit | 4d324c0bf65c615ffbe95b35497353996b97753b (patch) | |
| tree | 271f2cbf3892e8e42d67bcd67105431b9e9ce6bb /include | |
| parent | 4c5393f169ca8587cc766928293bbcbbbdff78a4 (diff) | |
| download | qemu-4d324c0bf65c615ffbe95b35497353996b97753b.zip qemu-4d324c0bf65c615ffbe95b35497353996b97753b.tar.gz qemu-4d324c0bf65c615ffbe95b35497353996b97753b.tar.bz2 | |
introduce QEMU_AUTO_VFREE
Introduce a convenient macro, that works for qemu_memalign() like
g_autofree works with g_malloc.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210628121133.193984-2-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/osdep.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index c3656b7..c91a78b 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -387,6 +387,21 @@ void qemu_vfree(void *ptr); void qemu_anon_ram_free(void *ptr, size_t size); /* + * It's an analog of GLIB's g_autoptr_cleanup_generic_gfree(), used to define + * g_autofree macro. + */ +static inline void qemu_cleanup_generic_vfree(void *p) +{ + void **pp = (void **)p; + qemu_vfree(*pp); +} + +/* + * Analog of g_autofree, but qemu_vfree is called on cleanup instead of g_free. + */ +#define QEMU_AUTO_VFREE __attribute__((cleanup(qemu_cleanup_generic_vfree))) + +/* * Abstraction of PROT_ and MAP_ flags as passed to mmap(), for example, * consumed by qemu_ram_mmap(). */ |